https://www.khanacademy.org/computing/intro-to-python-fundamentals/x5279a44ae0ab15d6:analyzing-data-with-dictionaries/x5279a44ae0ab15d6:dictionaries/v/datasets-and-data-structures 2025-05-31T00:49:03.306405302Z Datasets and data structures How can you use programming to make sense of large amounts of data? Learn how organizations use data insights to guide real world actions. Consider the tradeoffs between different data structures based on your use case. How does the way your organize your data impact your program? Kim Merrill video https://cdn.kastatic.org/ka_thumbnails_cache/e79f051b-be0e-4d63-ba3a-818c9969a6b5_1280_720_base.png Datasets and data structures How can you use programming to make sense of large amounts of data? Learn how organizations use data insights to guide real world actions. Consider the tradeoffs between different data structures based on your use case. How does the way your organize your data impact your program? https://cdn.kastatic.org/ka-youtube-converted/WZQRJjeG6lo.mp4/WZQRJjeG6lo.mp4 225 Python dictionaries https://www.khanacademy.org/computing/intro-to-python-fundamentals/x5279a44ae0ab15d6:analyzing-data-with-dictionaries/x5279a44ae0ab15d6:dictionaries/v/dictionaries 2025-05-28T19:25:06.709235836Z Dictionaries Learn how to use dictionaries to store data in key-value pairs. Define a new dictionary with curly brackets and access a value using its key. Write dictionary assignment statements to update and add key-value pairs. View the program used in this video at: https://www.khanacademy.org/python-program/dictionaries/5953860193599488 Kim Merrill video https://cdn.kastatic.org/ka_thumbnails_cache/f134cb19-4554-4fbb-a83c-367be8fed2d0_1280_720_base.png Dictionaries Learn how to use dictionaries to store data in key-value pairs. Define a new dictionary with curly brackets and access a value using its key. Write dictionary assignment statements to update and add key-value pairs. View the program used in this video at: https://www.khanacademy.org/python-program/dictionaries/5953860193599488 https://cdn.kastatic.org/ka-youtube-converted/nf26Yv5JTOc.mp4/nf26Yv5JTOc.mp4 262 Python dictionaries https://www.khanacademy.org/computing/intro-to-python-fundamentals/x5279a44ae0ab15d6:analyzing-data-with-dictionaries/x5279a44ae0ab15d6:dictionaries/a/dictionary-design-patterns 2025-05-28T19:25:06.709235836Z Dictionary design patterns Explore common dictionary use cases for organizing data. article https://www.khanacademy.org/computing/intro-to-python-fundamentals/x5279a44ae0ab15d6:analyzing-data-with-dictionaries/x5279a44ae0ab15d6:dictionaries/e/trace-dictionary-keys 2025-09-12T02:00:44.915137743Z Trace dictionary keys Trace dictionary accesses and updates using keys. Nathaniel Shak exercise https://www.khanacademy.org/computing/intro-to-python-fundamentals/x5279a44ae0ab15d6:analyzing-data-with-dictionaries/x5279a44ae0ab15d6:dictionaries/v/dictionary-hashing 2025-06-25T03:26:57.575444457Z Dictionary hashing How does the computer store a dictionary in memory? Learn how the computer uses hashing to convert keys to indices. Then, trace how the computer uses that index to locate the item in memory. View the program used in this video at: https://www.khanacademy.org/python-program/tracing-dictionaries/6604870405701632 Kim Merrill video https://cdn.kastatic.org/ka_thumbnails_cache/d27b0c5f-58bd-4c73-b930-7d0fb73ff462_1280_720_base.png Dictionary hashing How does the computer store a dictionary in memory? Learn how the computer uses hashing to convert keys to indices. Then, trace how the computer uses that index to locate the item in memory. View the program used in this video at: https://www.khanacademy.org/python-program/tracing-dictionaries/6604870405701632 https://cdn.kastatic.org/ka-youtube-converted/SOmCvHKmfYI.mp4/SOmCvHKmfYI.mp4 317 Python dictionaries https://www.khanacademy.org/computing/intro-to-python-fundamentals/x5279a44ae0ab15d6:analyzing-data-with-dictionaries/x5279a44ae0ab15d6:dictionaries/pc/challenge-login-portal 2025-07-29T19:15:26.164975885Z Challenge: Login portal Practice dictionary accesses and updates to match usernames with passwords. challenge